Look at other dictionaries:

Bohr theory — n a theory in early quantum physics: an atom consists of a positively charged nucleus about which revolves one or more electrons of quantized energy Bohr Niels Henrik David (1885 1962) Danish physicist. Bohr was the foremost influence on and… … Medical dictionary

Bohr theory — n. a theory, proposed by Niels Bohr in 1913, stating that electrons revolve in definite orbits around a nucleus, and that radiation is absorbed or emitted only when an electron is transferred from one orbit to another … English World dictionary

Bohr theory — Bohr′ the ory n. phs a quantum theory in which electrons move around an atomic nucleus in distinct circular orbits corresponding to quantized energy levels • Etymology: 1920–25; after N. Bohr … From formal English to slang

Bohr theory — Physics. a theory of atomic structure in which the hydrogen atom (Bohr atom) is assumed to consist of a proton as nucleus, with a single electron moving in distinct circular orbits around it, each orbit corresponding to a specific quantized… … Universalium

Bohr theory — noun (physics) a theory of atomic structure that combined Rutherford s model with the quantum theory; electrons orbiting a nucleus can only be in certain stationary energy states and light is emitted when electrons jump from one energy state to… … Useful english dictionary

Bohr theory — /ˈbɔ ˌθɪəri/ (say baw .thearree) noun a theory of atomic structure in which the electrons are described as moving in individual orbits about a central nucleus. {See bohrium} … Australian English dictionary

Bohr, Niels — ▪ Danish physicist Introduction in full Niels Henrik David Bohr born Oct. 7, 1885, Copenhagen, Den. died Nov. 18, 1962, Copenhagen Danish physicist who was the first to apply the quantum theory, which restricts the energy of a system to… … Universalium

Bohr , Niels Hendrik David — (1885–1962) Danish physicist Niels Bohr came from a very distinguished scientific family in Copenhagen, Denmark. His father, Christian, was professor of physiology at Copenhagen and his brother Harald was a mathematician of great distinction.… … Scientists